* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

.box {
  width: 100%;
  height: 100%;
}
.left {
  float: left;
  width: 69%;
  height: 300px;
}
.top {
  width: 100%;
  height: 300px;
  margin-bottom: 20px;
  background: #fff;
  border: 1px solid #ccc;
}
.bom {
  float: left;
  width: 100%;
  height: 600px;
  background: #fff;
  border: 1px solid #ccc;
}
.right {
  float: right;
  width: 30%;
  height: 300px;
  background: #fff;
  border: 1px solid #ccc;
}
.divtop,
.divbom {
  display: flex;
}
.serve {
  width: 96%;
}
.p1 {
  width: 100%;
  height: 50px;
  margin-left: 2%;
  margin-top: 30px;
  border: 1px solid #ddd;
}
.s1 {
  display: inline-block;
  width: 100px;
  line-height: 50px;
  text-align: center;
  border-right: 1px #ddd solid;
}
.s2 {
  padding-left: 20px;
}
.p2,
.p3 {
  width: 100%;
  height: 50px;
  margin-left: 2%;
  border: 1px solid #ddd;
}
